Panasonic PT-LB90NTEA User Manual - Page 48

Maintenance, LAMP and TEMP Indicators, Managing the indicated problems

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LLAAMMP aPndaTnEdMPTInEdMicaPtorIsndicators Managing the indicated problems If a problem should occur with the projector, the LAMP and/or TEMP indicators will inform you. Manage the indicated problems as follows. Note zzWhen managing a problem, be sure to turn off the power as described in "Switching off the projector". (Æpage 24) Remarks zzConfirm the power supply status by the POWER indicator. (Æpage 22) LAMP indicator TEMP indicator FOCUS ZOOM POWER STANDBY(RED)/ LOCK ON(GREEN) LAMP TEMP RELEASE INPUT SELECT FUNCTION MENU ENTER RETURN JJLAMP indicator Indicator Problem zzIlluminating red LAMP RUNTIME has reached 2 800 hours. Cause Lamp unit will run out soon and needs to be replaced. Remedy See "Replacing the Lamp unit". (Æpage 50) zzFlashing red LAMP circuit failure, abnormal function or the lamp unit is damaged. The projector is LAMP circuit switched on again failure, abnormal too soon. function. Lamp unit is damaged. Let the lamp unit cool down and turn on the projector after 90 seconds. Switch off the projector (Æpage 24) and contact an Authorised Service Centre. See "Replacing the Lamp unit". (Æpage 50) Remarks zzIf the LAMP indicator still lights or flashes after the above remedy, contact an Authorised Service Centre. JJTEMP indicator Indicator zzIlluminating red while projecting and the alert will be displayed. zzFlashing red and power is turned off. Problem The temperature inside and/or outside the projector is abnormally high. zzThe projection may becomes darker than usual. zzThe internal fan operational noise may be louder than usual. Cause The air outlet port and air intake ports are covered. The room temperature is too high. The filter is exces- The projector is located at sively dirty and the 1 400 - 2 700 m (4 593 ventilation is poor. 8 858 ft). Remedy Remove the object(s) from the air outlet port and air intake ports or clear around the projector. Reinstall the projector in temperature controlled place. (Æpage 58) Clean the filter in the proper method. (Æpage 49) Turn on the projector*1 and set the HIGH ALTITUDE MODE to ON. (Æpage 41) **** The projector will perform 2 minutes with OFF setting at high elevation. Remarks zzTake the above remedy, disconnect the mains plug, and then supply the power again. If the TEMP indicator still lights or flashes after the above remedy, contact an Authorised Service Centre. zzIf the environment temperature in the projector rises, the fan speed increases and the sound becomes louder. Maintenance 48 - ENGLISH

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48 -
E
NGLISH
Maintenance
LAMP and TEMP Indicators
Managing the indicated problems
If a problem should occur with the projector, the
LAMP
and/or
TEMP
indicators will inform you.
Manage the indicated problems as follows.
Note
When managing a problem, be sure to turn off the power as described in “Switching off the projector”.
z
(
Æ
page
24)
Remarks
Confirm the power supply status by the
z
POWER
indicator. (
Æ
page 22)
POWER
FOCUS
ZOOM
RELEASE
INPUT SELECT
FUNCTION
MENU
ENTER
RETURN
STANDBY(RED)/
ON(GREEN)
LOCK
LAMP
TEMP
LAMP
indicator
TEMP
indicator
J
LAMP indicator
Indicator
Illuminating red
z
Flashing red
z
Problem
LAMP RUNTIME
has reached
2 800 hours.
LAMP
circuit failure, abnormal function or the lamp unit
is damaged.
Cause
Lamp unit will run out soon and
needs to be replaced.
The projector is
switched on again
too soon.
LAMP
circuit
failure, abnormal
function.
Lamp unit is
damaged.
Remedy
See “Replacing the Lamp unit”.
(
Æ
page 50)
Let the lamp unit
cool down and turn
on the projector
after 90 seconds.
Switch off the
projector (
Æ
page
24) and contact
an Authorised
Service Centre.
See “Replacing
the Lamp unit”.
(
Æ
page 50)
Remarks
If the
z
LAMP
indicator still lights or flashes after the above remedy, contact an Authorised Service Centre.
J
TEMP indicator
Indicator
Illuminating red while projecting and the alert will be displayed.
z
Flashing red and power is turned off.
z
Problem
The temperature inside and/or outside the projector is abnormally high.
The projection may becomes darker than usual.
z
The internal fan operational noise may be louder than usual.
z
Cause
The air outlet port
and air intake ports
are covered.
The room tempera-
ture is too high.
The filter is exces
-
sively dirty and the
ventilation is poor.
The projector is located at
1 400 - 2 700 m (4 593 -
8 858 ft).
Remedy
Remove the
object(s) from the
air outlet port and
air intake ports or
clear around the
projector.
Reinstall the projector
in temperature
controlled place.
(
Æ
page 58)
Clean the filter in
the proper method.
(
Æ
page 49)
Turn on the projector*
1
and
set the
HIGH ALTITUDE
MODE
to
ON
. (
Æ
page 41)
The projector will perform 2 minutes with
*1:
OFF
setting at high elevation.
Remarks
Take the above remedy, disconnect the mains plug, and then supply the power again. If the
z
TEMP
indicator still
lights or flashes after the above remedy, contact an Authorised Service Centre.
If the environment temperature in the projector rises, the fan speed increases and the sound becomes louder.
z